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Quality Characteristics of Gangjeong Containing Various Levels of Lentinus edodes

표고버섯을 첨가하여 제조한 강정의 품질특성

  • Park, Jung-Suk (Dept. of Food and Cooking Science, Kwang-ju Womens University) ;
  • Na, Hwan-Sik (Food & Drug Analysis Division, Jeollanamdo Institute of Health and Environment)
  • 박정숙 (광주여자대학교 식품조리과학과) ;
  • 나환식 (전라남도보건환경연구원 식품약품분석과)
  • Published : 2007.02.28

Abstract

Gangjeong was prepared by adding Lentinus edodes to improve quality of the gangjeong and to give some functional properties. Contents of the crude protein and ash increased with increasing amount of L. edodes, while carbohydrate contents decreased. As the ratio of mushroom in gangjeong increased, lightness and yellowness in Hunter's color value tended to decrease. In terms of texture, 20% and 30% contents of L. edodes made no significant differences in gumminess, brittleness, cohesiveness, and springiness compared to control, whereas hardness showed no difference to control. Gangjeong with 30% L. edodes obtained the highest scores in quality and sensory characteristics.

영양학적, 생리학적 장점이 많은 표고버섯을 다양한 식품으로 이용하기 위한 적절한 가공방법을 모색하여 고부가가치를 갖는 식품으로 개발을 하고자 표고버섯을 첨가한 강정을 제조하여 첨가 수준별 품질특성을 조사하였다. 표고버섯 첨가 강정의 일반성분은 첨가량이 증가하면서 수분, 조단백질과 회분 함량은 증가하였고, 탄수화물 함량은 감소하였으며, 조지방은 차이를 보이지 않았다. 색도를 분석한 결과 L값은 대조구가 59.10로 가장 높았으며, 표고버섯 첨가량이 증가할수록 유의적으로 감소하였다. b값은 L값과 같은 경향을 보였으며, a값의 경우 증가하였다. 또한 모든 첨가구에서 대조구와 현저한 색의 차이를 보이는 것으로 나타났다. 강정의 물성 측정 결과 gumminess, brittleness, cohesiveness, springiness는 대조구와 20%, 30% 시료에서는 큰 차이를 보이지 않았으며, 40% 첨가구부터 그 값이 유의적으로 증가하였고, hardness의 경우 40% 첨가구까지 큰 차이를 보이지 않았다. 시료별 관능검사 결과는 색(color), 향미(flavor), 맛(taste), 바삭바삭한 정도(crispiness)와 전반적인 기호도(overall acceptability) 등 모든 검사 항목에서 30% 첨가구가 가장 높은 점수를 받았으며 40% 이상 첨가시 기호도가 조금씩 감소하는 것으로 나타났다. 쌀강정에 표고버섯을 일정 비율로 첨가하여 표고버섯 강정을 제조하고, 여러 특성을 조사한 결과 기존의 쌀강정에 비하여 표고버섯 첨가 강정이 더 우수한 제품이 될 수 있었고, 최적의 첨가량은 쌀 튀밥을 기준으로 30%로 나타났다.

Keywords

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